Laserfiche WebLink
teeter to sound. This point is usually cleatly ihte on the probe. if it is not visible it should <br /> located by dipping the probe into a water container, contact can be clea <br /> dy seem, then l <br /> marked. The total length of the water level meter should correspond with the lenA of the <br /> measur'ng tapes In addldoa, the individual on, the cable should correspond with the <br /> correct footage. If the czWtdoes not match the meamring itape then <br /> the difference"consistent) <br /> t) <br /> shoWd be calculated as a percentage, Le, 100 foot cible measures102, feet 98114), All , <br /> measurements with the cable should-then be multiplied » to corrict for the cmr. if'the <br /> individual footage marks are; not placed con=dy and am not consistent in thele deviat ior4 the <br /> initnunent should be rmlaced. <br /> If the water level indicator is cons ted of a cable then c�jibratiou willbe Performed once <br /> year: If tflere is a dbatPanCY, the c0uytrsiOn factor will be marked directly on the instr==L <br /> Water Icvel indi' rs err died orf tape are more subject to stmtchipg and should be'calibrated <br /> every 6 mouth-s and madced with the appropriate conv ion-C:alibr on data for each instrument wifl be Mcorded-and kepti a-a binder,at the+oMcc forr•future,. <br /> rclerence. The most reccutcalibration results will also bc recordedan the t field nates. <br /> is no specific form forer level indicator `bradorL <br /> w � <br /> Ivictcr . <br /> PH is.sUbject for significant variations due to temperaqwc, buffedng capacityof the water, and <br /> For this reason pH mete a on each.. <br /> day and at least once More dMiM9 the day. TO e a gk MeW the instrument reading is <br /> 4USWd to read comcctly for ser stns with a standard PK <br /> Standard solutions am mixed fitsh. accordiag to pock1ge iostruction for each event <br /> Standard solations err as forpH 4,7.and !tI are oxarnatialbr available. 71h=staudards <br /> ,ampurchwed fiwh wd-discardedlac has expfind. SWflives varydVeniding oat the <br /> brand of standards usod. If ed solution is used.the 'cin date*f dwszolution Will <br /> be noon the calibration log. <br /> Although diff4ent brands Of PH met= *`', calibration pmcedtM are telae for all of die= <br /> A.geaa6lized cafibration p :folio <br /> l• Turn on the Instrument,a=k the bad=7,and allow to warn up if ry.. <br /> 3S4 Fif122i h-2 My 14,2000 <br /> CapyeleK Z=xkh* ,im- <br />